energy. what are the major areas that affect manufacturing? guest: cost of labor, of course. another one is transportation costs. when you look at the major areas of manufacturing in the united states, you talking about heavy things -- cars, planes, heavy machinery. that is a quarter of our manufacturing. it is hard to ship a giant machine to china than it is jeans, for example. that is another cost, how much does it cost to transport something from the factory to the consumer. host: we have a chart that lists payroll.us sectors' tell us about this. guest: again, just one of the misnomers about manufacturing -- a lot of people believe the jobs are fairly low paying jobs. you actually see that manufacturing is in the top 8 as far as average annual payroll for employees. it is to be thousan -- 50,667, a pretty robust celery to consider our current state of the economy. -- salary if you consider our current state of the economy. manufacturing jobs have changed over time. it is not the same situa